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Finding the Fourth Proportional to 3,198.27, 4,799.27 and 1,349.27

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Solution

The fourth proportional to 3,198.27, 4,799.27 and 1,349.27 is: 2,024.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.27 : 4,799.27 = 1,349.27 : x
  2. Step 2: Convert to fraction form
    3,198.27/4,799.27 = 1,349.27/x
  3. Step 3: Cross multiply
    3,198.27x = 4,799.27 × 1,349.27
  4. Step 4: Simplify right side
    3,198.27x = 6,475,511.03
  5. Step 5: Solve for x
    x = 6,475,511.03/3,198.27
  6. Step 6: Final answer
    x = 2,024.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.